EP4456528A3 - Projektionspositionsführungsverfahren - Google Patents

Projektionspositionsführungsverfahren Download PDF

Info

Publication number
EP4456528A3
EP4456528A3 EP24199338.5A EP24199338A EP4456528A3 EP 4456528 A3 EP4456528 A3 EP 4456528A3 EP 24199338 A EP24199338 A EP 24199338A EP 4456528 A3 EP4456528 A3 EP 4456528A3
Authority
EP
European Patent Office
Prior art keywords
projection
image
guiding method
position guiding
grid points
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP24199338.5A
Other languages
English (en)
French (fr)
Other versions
EP4456528A2 (de
EP4456528B1 (de
Inventor
Chung-Lung Yang
Chien-Chun Peng
Hsun-Cheng Tu
Kang-Shun Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coretronic Corp
Original Assignee
Coretronic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coretronic Corp filed Critical Coretronic Corp
Publication of EP4456528A2 publication Critical patent/EP4456528A2/de
Publication of EP4456528A3 publication Critical patent/EP4456528A3/de
Application granted granted Critical
Publication of EP4456528B1 publication Critical patent/EP4456528B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3147—Multi-projection systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
EP24199338.5A 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren Active EP4456528B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210022225.1A CN116456065A (zh) 2022-01-10 2022-01-10 投影位置指引方法
EP23150946.4A EP4210326B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP23150946.4A Division EP4210326B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren
EP23150946.4A Division-Into EP4210326B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren

Publications (3)

Publication Number Publication Date
EP4456528A2 EP4456528A2 (de) 2024-10-30
EP4456528A3 true EP4456528A3 (de) 2025-01-01
EP4456528B1 EP4456528B1 (de) 2025-10-08

Family

ID=84901247

Family Applications (3)

Application Number Title Priority Date Filing Date
EP23150946.4A Active EP4210326B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren
EP24199338.5A Active EP4456528B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren
EP24199229.6A Active EP4451666B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23150946.4A Active EP4210326B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24199229.6A Active EP4451666B1 (de) 2022-01-10 2023-01-10 Projektionspositionsführungsverfahren

Country Status (3)

Country Link
US (1) US12238462B2 (de)
EP (3) EP4210326B1 (de)
CN (1) CN116456065A (de)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050168705A1 (en) * 2004-02-02 2005-08-04 Baoxin Li Projection system
US20130141593A1 (en) * 2006-08-11 2013-06-06 Geo Semiconductor Inc. System and method for automated calibration and correction of display geometry and color
US20150146990A1 (en) * 2012-05-21 2015-05-28 Yukinaka Uchiyama Pattern extracting device, image projecting device, pattern extracting method, and program
US20150208050A1 (en) * 2014-01-21 2015-07-23 Seiko Epson Corporation Projector, display apparatus, and control method of projector
US20150213584A1 (en) * 2014-01-24 2015-07-30 Ricoh Company, Ltd. Projection system, image processing apparatus, and correction method
JP2015166893A (ja) * 2014-03-03 2015-09-24 セイコーエプソン株式会社 位置検出装置、及び、位置検出装置の制御方法
US20160353068A1 (en) * 2015-05-28 2016-12-01 Masaaki Ishikawa Projection system, image processing apparatus, and computer-readable storage medium
US20200213565A1 (en) * 2018-12-28 2020-07-02 Coretronic Corporation Projection system and projection method
US20210297643A1 (en) * 2020-03-18 2021-09-23 Coretronic Corporation Projection system and positioning method applied to projection system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942530B2 (en) * 2006-10-31 2011-05-17 The Regents Of The University Of California Apparatus and method for self-calibrating multi-projector displays via plug and play projectors
EP3545676A4 (de) * 2016-11-23 2021-02-17 Réalisations Inc. Montréal Automatisches kalibrierungsprojektionssystem und -verfahren
US10638104B2 (en) * 2018-09-14 2020-04-28 Christie Digital Systems Usa, Inc. Device, system and method for generating updated camera-projector correspondences from a reduced set of test patterns
CN112714298B (zh) * 2019-10-25 2023-06-30 中强光电股份有限公司 投影系统及其调整投影画面的方法
CN114449235B (zh) * 2020-10-30 2024-01-12 中强光电股份有限公司 多个投影机的画面均匀化的方法与装置
JP7649715B2 (ja) * 2021-07-30 2025-03-21 富士フイルム株式会社 制御装置、制御方法、投影システム、及び制御プログラム

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050168705A1 (en) * 2004-02-02 2005-08-04 Baoxin Li Projection system
US20130141593A1 (en) * 2006-08-11 2013-06-06 Geo Semiconductor Inc. System and method for automated calibration and correction of display geometry and color
US20150146990A1 (en) * 2012-05-21 2015-05-28 Yukinaka Uchiyama Pattern extracting device, image projecting device, pattern extracting method, and program
US20150208050A1 (en) * 2014-01-21 2015-07-23 Seiko Epson Corporation Projector, display apparatus, and control method of projector
US20150213584A1 (en) * 2014-01-24 2015-07-30 Ricoh Company, Ltd. Projection system, image processing apparatus, and correction method
JP2015166893A (ja) * 2014-03-03 2015-09-24 セイコーエプソン株式会社 位置検出装置、及び、位置検出装置の制御方法
US20160353068A1 (en) * 2015-05-28 2016-12-01 Masaaki Ishikawa Projection system, image processing apparatus, and computer-readable storage medium
US20200213565A1 (en) * 2018-12-28 2020-07-02 Coretronic Corporation Projection system and projection method
US20210297643A1 (en) * 2020-03-18 2021-09-23 Coretronic Corporation Projection system and positioning method applied to projection system

Also Published As

Publication number Publication date
EP4451666A2 (de) 2024-10-23
EP4210326A3 (de) 2023-08-23
EP4456528A2 (de) 2024-10-30
EP4210326A2 (de) 2023-07-12
EP4456528B1 (de) 2025-10-08
US12238462B2 (en) 2025-02-25
EP4451666B1 (de) 2025-10-08
EP4210326B1 (de) 2024-12-18
US20230224443A1 (en) 2023-07-13
EP4451666A3 (de) 2024-12-25
CN116456065A (zh) 2023-07-18

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